Finding the Fourth Proportional to 204,427.80, 306,641.70 and 71,263.80
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Solution
The fourth proportional to 204,427.80, 306,641.70 and 71,263.80 is: 106,895.70
Step by Step Solution
- Step 1: Write the proportion equation
204,427.80 : 306,641.70 = 71,263.80 : x - Step 2: Convert to fraction form
204,427.80/306,641.70 = 71,263.80/x - Step 3: Cross multiply
204,427.80x = 306,641.70 × 71,263.80 - Step 4: Simplify right side
204,427.80x = 21,852,452,780.46 - Step 5: Solve for x
x = 21,852,452,780.46/204,427.80 - Step 6: Final answer
x = 106,895.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.